Rotary mining bit



FIG. 1 is a top plan view of a rotary mining bit illustrating oneembodiment of the invention;

FIG. 2 is a side elevational view of the rotary mining bit of FIG. 1,the opposite side being a miror image;

FIG. 3 is another side elevational view of the rotary mining bit asrotated 90° clockwise from FIGS. 1 and2 thereof, the opposite side beinga mirror image; and,

FIG. 4 is a perspective view of the rotary mining bit of FIG. 1.

The representation of the fragmentary mounting base of the mining bitshown in phantom lines is for environmental purposes only andnon-limiting upon the scope of the invention.

The ornamental design for a rotary mining bit, as shown and described.